USPTO Patents Application 09701705

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1/2 ^— V

PATENT ABSTRACTS OF JAPAN

(1 1 )Publication number : 09-298489
(43)Date of publication of application : 18.11.1997

(51)lntCI. H04B 1/707

(21) Application number : 08-1 13973 (71)Applicant : MATSUSHITA ELECTRIC IND CO

LTD

(22) Date of filing : 08.05.1 996 (72)Inventor : YAMADA DAISUKE

(54) CDMA SYSTEM MOBILE COMMUNICATION EQUIPMENT

(57)Abstract:

PROBLEM TO BE SOLVED: To obtain the equipment
with high transmission efficiency and excellent chip
synchronization performance by sending only one spread
code in the case of transmission of information and
sending a control signal with other spread codes as a
pilot signal.

SOLUTION: Information to be sent from a voice or a
data terminal is given to a multiplexer circuit 1, in which
operating spread codes are divided in response to a
transmission signal. The divided data are given to a
transmission data conversion circuit 2, and a control
signal added with the pilot signal forms a frame based on
the control signal from a spread code detection
designation circuit 3 or an on/off signal denoting
whether or not the pilot signal is to be inserted. Data are
modulated in a modulation circuit 4 by various
modulation system and a spread circuit 5 conducts code
spread and an adder circuit 6 conducts spread code
multiplexing and a transmission circuit 7 converts the

result into a desired carrier frequency and the converted signal is sent from a transmission
antenna 8.

LEGAL STATUS

[Date of request for examination] 07.05.2003
[Date of sending the examiner's decision of 26.07.2005
rejection]

[Kind of final disposal of application other than
the examiner s decision of rejection or
application converted registration]

[Date of final disposal for application]

[Patent number]

[Date of registration]

[Number of appeal against examiner's decision
of rejection]

[Date of requesting appeal against examiner s
decision of rejection]

http://www1 g.ipdi.ncipi.go jp/PAl /result/detail/main/wAAAcMaW3IDA409298489... 2006/01/04

Searching PAJ 2/2 ^— v

[Date of extinction of right]

Copyright (C); 1998,2003 Japan Patent Office

http://v\nAw19jpdLncipi.gojp/PA1/result/detail/main/wAAAcMaW3IDA40929848^

2006/01/04

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